VoIP Manager / Telecom Systems Engineer (FreeSWITCH Expert)

Rayvat Outsourcing; Gandhinagar; On-site; INR 1,000,000 - 1,500,000; Full time

Benefits offered by this job

Opportunity to innovate

Training and learning programs

Flexible working hours

Job summary

Rayvat Outsourcing is seeking a VoIP Manager to take ownership of its voice infrastructure in Gandhinagar, Gujarat. This role involves optimizing carrier relationships and enhancing call quality, while being responsible for managing FreeSWITCH communication systems.

The ideal candidate should have extensive experience in VoIP technologies and a passion for automation and AI. This is a full-time position offering opportunities to innovate and directly impact our communication platform.

Qualifications

• 3+ years of experience managing VoIP infrastructure.
• Strong hands-on experience with FreeSWITCH administration and configuration.
• Deep understanding of SIP, RTP, WebRTC, and VoIP technologies.

Responsibilities

• Manage, maintain, and optimize FreeSWITCH-based communication systems.
• Configure SIP trunks, gateways, and routing logic.
• Monitor platform performance, call quality, and uptime.

Skills

FreeSWITCH administration

VoIP technologies

Linux server administration

Networking fundamentals

Troubleshooting skills

Tools

Kamailio

Docker

Kubernetes

AWS

Azure

Job description

Build the Future of Communication Infrastructure

We are looking for an exceptional VoIP Manager who can take ownership of our voice infrastructure, optimize carrier relationships, improve call quality, and help us scale a world-class communication platform.

This role is for a builder, problem solver, and self-leader—not someone who simply follows instructions. We want a highly technical professional who understands modern telecom systems, enjoys solving complex routing challenges, embraces automation and AI, and continuously seeks better ways to improve performance.

If you thrive in a fast-moving environment, enjoy learning new technologies, and take pride in building reliable, scalable systems, we want to hear from you.

Position

Employment Type

Full-Time

Location

Key Responsibilities

VoIP Infrastructure Management

• Manage, maintain, and optimize FreeSWITCH-based communication systems.
• Configure SIP trunks, gateways, dial plans, and routing logic.
• Monitor platform performance, call quality, latency, and uptime.
• Troubleshoot complex VoIP, SIP, RTP, and network-related issues.
• Implement redundancy, failover, and disaster recovery strategies.
• Ensure high availability and scalability of telecom infrastructure.

Telecom Operations

• Manage carrier relationships and routing providers.
• Optimize Least Cost Routing (LCR) and call delivery performance.
• Monitor call completion rates, ASR, ACD, PDD, and quality metrics.
• Analyze telecom traffic patterns and identify optimization opportunities.
• Negotiate and evaluate carrier performance and pricing.

System Automation & AI

• Automate operational tasks and monitoring workflows.
• Use AI tools to improve troubleshooting, reporting, and infrastructure management.
• Develop intelligent monitoring and alerting systems.
• Continuously improve operational efficiency through automation.

Security & Compliance

• Implement VoIP security best practices.
• Protect systems from SIP attacks, fraud, toll fraud, and unauthorized access.
• Monitor security events and respond to incidents.
• Maintain system documentation and operational procedures.

Technical Leadership

• Provide technical guidance to team members.
• Collaborate with development, infrastructure, and operations teams.
• Evaluate and implement new telecom technologies.

Required Qualifications

• 3+ years of experience managing VoIP infrastructure.
• Strong hands-on experience with FreeSWITCH administration and configuration.
• Deep understanding of SIP, RTP, WebRTC, and VoIP technologies.
• Experience with Linux server administration.
• Knowledge of networking fundamentals including TCP/IP, DNS, NAT, VPNs, Firewalls, and Routing.
• Experience with telecom carriers, SIP trunk providers, and voice routing.
• Strong troubleshooting and analytical skills.
• Ability to work independently and take ownership of critical systems.

Preferred Qualifications

• Experience with Kamailio, OpenSIPS, Asterisk, FusionPBX, or related platforms.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud.
• Familiarity with Docker, Kubernetes, and DevOps practices.
• Experience building telecom APIs and integrations.
• Strong understanding of AI tools and automation technologies.
• Experience with call center technologies and large-scale voice deployments.

Who Will Thrive in This Role?

You are:

• A self-leader who takes ownership and solves problems proactively.
• Curious and continuously learning new technologies.
• Comfortable working with complex technical systems.
• Passionate about automation and efficiency.
• Data-driven and analytical.
• Excited about AI and modern infrastructure technologies.
• Able to remain calm and effective during critical incidents.
• Focused on delivering reliable and scalable solutions.

Technical Skills & Keywords

FreeSWITCH, VoIP Manager, SIP Engineer, Telecom Engineer, Voice Infrastructure, SIP Routing, RTP, WebRTC, SBC, SIP Trunks, Kamailio, OpenSIPS, Asterisk, FusionPBX, Linux Administration, Network Engineering, Telecom Operations, Carrier Management, Least Cost Routing (LCR), ASR, ACD, PDD, VoIP Security, Fraud Prevention, Cloud Infrastructure, AWS, Azure, Google Cloud, Python, Bash Scripting, DevOps, Docker, Kubernetes, Monitoring, Automation, AI Tools, Telecommunications, Unified Communications, Contact Center Technology.

What Success Looks Like

• Reliable and highly available telecom infrastructure.
• Improved call quality and routing performance.
• Reduced operational costs through optimization.
• Increased automation and operational efficiency.
• Strong carrier relationships and routing performance.
• Secure and scalable communication systems.
• Continuous innovation through technology and AI adoption.

Why Join Us?

This is an opportunity to own and shape a mission-critical communication platform. You'll have the freedom to innovate, implement modern technologies, leverage AI, and make a direct impact on how our business communicates and scales.

We value intelligent thinkers, builders, innovators, and people who are never done learning.